Sentences with phrase «warming spike»

The actual empirical evidence from state - of - the - art measurement technology reveals a global warming spike during the late 1990's (due to the Super El Nino), but after that, essentially zilch.
Two University of Michigan researchers and a Florida colleague found two abrupt warming spikes in ocean temperatures that coincide with two previously documented extinction pulses near the end of the Cretaceous Period.
After climategate, for example - an incident for which scientists were later cleared of allegations of misconduct - searches about global warming spiked, but then fell by 50 percent in six days and 90 percent in 22 days.
The growing discrepancy is obvious, even with the 2016 El Nino warm spike at the end.
One thing most seem to agree on is the abrupt warming spike caused by the 1997/98 El Niño event.
Paleoclimate data reveal instances of rapid global warming, as much as 5 — 6 °C, as a sudden additional warming spike during a longer period of gradual warming [see Text S1].
The curve tells an unmistakable story, namely that the current warming spike is unprecedented as far back as we can go.
There is warming spike about 5 - 7y after most eruptions.
While CO2 driven models simulate 6000 years of warming due to rising CO2, all the proxies indicate a cooling trend interrupted only by warming spikes.
The second warming spike was smaller and occurred about 150,000 years later, around the time of the Chicxulub impact in the Yucatan.
1998 experienced an historic El Nino event (more than 2 standard deviations above the mean) which caused a large warming spike that year.
During this cooling trend, there were several warm spikes, usually associated with life - enhancing inflows of both warm Pacific and Atlantic water.
Of course the PAGES 2K study found that Antarctica was warmer than today from 141AD to 1250AD and a 30 year warmer spike from 1671 to 1700.
What I find is that there is a significant warming spike during the WWII years which I correct below.
Anoxic ocean events warming spikes ocurred in the Cretaceous, but also times such as the Paleocene - Eocene Thermal Maximum.
Paleoclimate data reveal instances of rapid global warming, as much as 5 — 6 °C, as a sudden additional warming spike during a longer period of gradual warming [see Text S1].
The isotopic analysis showed that seawater temperatures in the Antarctic in the Late Cretaceous averaged about 46 degrees Fahrenheit, punctuated by two abrupt warming spikes.
The temperature records showed a warming spike after the 1970s, and the ice records documented that river ice is breaking up about nine days earlier now than last century.
Charles Sheppard, a tropical marine ecologist at the University of Warwick in England, says a warming spike in 1998 killed nearly all the coral in the reefs that ring the islands.
«These two extinction pulses coincide with the two warming spikes we identified in our new temperature record, which each line up with one of the two «causal events.»»
A warm spike is 1995 is 0.09 °C warmer.
We also include in the category of slow feedbacks the global warming spikes, or «hyperthermals», that have occurred a number of times in Earth's history during the course of slower global warming trends.
According to what I've read, the CO2 should have remained in the air long after the ash settled and that should have caused at least a warming spike, but there's no sign of extraordinary warming in the climate records.
Between 1967 and 1980 researchers from DuDu attached flipper bands to breeding penguins, and that is exactly when the penguins began to desert the colony as seen in Figure A. By the time the much - ballyhooed «warm spike» occurred in the winter of 1981, the colony had already declined by 50 %
Moore stopped short of saying that the warm spikes observed in the Arctic in recent years are a sure sign that they are becoming a fixture of the winter Arctic climate; more data is needed, he cautioned.
Amazingly, all the warming spikes that matched or equaled ± 20 °C took place (see yellow - tinted boxes) prior to the last 40 years of massive human CO2 emissions.
As the chart suggests, a brief global warming spike has morphed into an extended global cooling phase, which the consensus experts have identified as «the mysterious global - warming hiatus»; plus being forced to trot - out a wild variety of excuses as to why their AGW predictions have failed.
«But when we look at the high Arctic overall, the temperature record since 1958 has never seen a warm spike of this magnitude in February,» she said.
We also include in the category of slow feedbacks the global warming spikes, or «hyperthermals», that have occurred a number of times in Earth's history during the course of slower global warming trends.
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